US Bridges

N91 over Tracy Creek

Good

Platte County, Nebraska · 0E Humphrey · Structure no. S091 15250

Built
2010
15 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
3,725
2018 count
Owner
State
State Highway Agency

About this bridge

N91 over Tracy Creek is a concrete continuous slab carrying N91 over Tracy Creek in Platte County, Nebraska. It was built in 2010, so it is 15 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,725 vehicles a day, roughly 12% of them trucks, projected to reach 5,215 by 2038. The structure is 122 ft (37.2 m) long and 43 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesN91
CrossesTracy Creek
Location0E Humphrey
RouteState Highway 91
CountyPlatte County
StateNebraska
Coordinates41.7001, -97.4838
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.3 US tons
Inventory rating35.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length122 ft (37.2 m)
Longest span48 ft (14.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,725 (2018)
Projected traffic5,215 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N91 over Tracy Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is N91 over Tracy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does N91 over Tracy Creek carry?

About 3,725 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is N91 over Tracy Creek?

The structure is 122 ft (37.2 m) long with a longest span of 48 ft (14.6 m) and a deck 43 ft wide.

Who owns N91 over Tracy Creek?

It is owned by the State Highway Agency.